Finding the Fourth Proportional to 156,118.09, 215,448.18 and 95,677.06
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Solution
The fourth proportional to 156,118.09, 215,448.18 and 95,677.06 is: 132,037.54
Step by Step Solution
- Step 1: Write the proportion equation
156,118.09 : 215,448.18 = 95,677.06 : x - Step 2: Convert to fraction form
156,118.09/215,448.18 = 95,677.06/x - Step 3: Cross multiply
156,118.09x = 215,448.18 × 95,677.06 - Step 4: Simplify right side
156,118.09x = 20,613,447,906.13 - Step 5: Solve for x
x = 20,613,447,906.13/156,118.09 - Step 6: Final answer
x = 132,037.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.